Home / 34,419.08-51,647.40-13,359.95

Finding the Fourth Proportional to 34,419.08, 51,647.40 and 13,359.95

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Solution

The fourth proportional to 34,419.08, 51,647.40 and 13,359.95 is: 20,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,419.08 : 51,647.40 = 13,359.95 : x
  2. Step 2: Convert to fraction form
    34,419.08/51,647.40 = 13,359.95/x
  3. Step 3: Cross multiply
    34,419.08x = 51,647.40 × 13,359.95
  4. Step 4: Simplify right side
    34,419.08x = 690,006,681.63
  5. Step 5: Solve for x
    x = 690,006,681.63/34,419.08
  6. Step 6: Final answer
    x = 20,047.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.